#include <stdio.h>

int main() {

int x = -1;
int sum =0;
int i = 0;


while (x != 0) {

 printf("Enter a number:>>");
 scanf("%d", &x);

 if (x == 0) {
  printf("\n\n");   
  break;
 } 
 if (x != 0) {
    sum = sum+x;
    i = i+1;
    printf("Sum of %d numbers is %d\n",i, sum);
 }
}

 return 0;


}