diff --git a/stack/Denomination of coins.c b/stack/Denomination of coins.c
new file mode 100644
index 0000000..d4b5e2f
--- /dev/null
+++ b/stack/Denomination of coins.c	
@@ -0,0 +1,94 @@
+//CODE:
+
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<math.h>
+#define SIZE 100 
+struct stack
+{
+    int coin[SIZE];
+    int top;
+};
+void push(struct stack *sptr, int num);
+void pop_count_display(struct stack *sptr);
+int main()
+{
+    struct stack * sptr;
+    struct stack s;
+    sptr=&s;
+    sptr->top=-1;
+    int c,n,i;
+    scanf("%d",&n);
+    if(n<0)
+    {
+        printf("Invalid number of coins");
+        exit(0);
+    }
+    for(i=0;i<n;i++) 
+{ 
+scanf("%d",&c); 
+push(sptr,c); 
+} 
+pop_count_display(sptr);
+ } 
+void push(struct stack *sptr, int num)
+ { 
+if(sptr->top==SIZE-1)
+    {
+        printf("Stack Overflow\n");
+    }
+    else
+    {
+        sptr->top++;
+        sptr->coin[sptr->top]=num;
+    }
+}
+void pop_count_display(struct stack *sptr)
+{
+        int i,c1=0,c2=0,c5=0,c10=0,c=0;
+        for(i=sptr->top;i>=0;i--)
+        {
+            if(sptr->coin[i]==1)
+            {
+               c1++;
+            }
+
+            else if(sptr->coin[i]==2)
+            {
+               c2++;
+            }
+            else if(sptr->coin[i]==5)
+            {
+               c5++;
+            }
+            else if(sptr->coin[i]==10)
+            {
+               c10++;
+            }
+            else
+            {
+                c++;
+            }
+            sptr->top--;
+        }
+        printf("Coins of 1 re = %d\n",c1);
+        printf("Coins of 2 rs = %d\n",c2);
+        printf("Coins of 5 rs = %d\n",c5);
+        printf("Coins of 10 rs = %d\n",c10);
+    printf("Coins of invalid denominations = %d",c);
+}
+
+
+/*OUTPUT:
+
+Input (stdin)
+5
+1 2 5 10 1
+
+Your Output (stdout)
+Coins of 1 re = 2
+Coins of 2 rs = 1
+Coins of 5 rs = 1
+Coins of 10 rs = 1
+Coins of invalid denominations = 0  */