C program to add two numbers repeatedly

#include<stdio.h>

main()

{

   int a, b, c;

   char ch;

   while(1)

   {

      printf("Enter values of a and b\n");

      scanf("%d%d",&a,&b);

      c = a + b;

      printf("a + b = %d\n", c);

      printf("Do you wish to add more numbers(y/n)\n");

      scanf(" %c",&ch);

      if ( ch == 'y' || ch == 'Y' )

         continue;

      else

         break;

   }

   return 0;

}