#include <stdio.h>
#define TRUE 1==1
int main()
{   int height, cnt = 0, sum = 0;
    while (TRUE) {
        printf("入力[%d] = ", cnt + 1);
        scanf("%d", &height);
        if (height == 0)
            break;
        sum += height;
        cnt++;
    }
    if (cnt == 0)
        cnt = 1;
    printf("合計 = %d, 平均 = %d\n", sum, sum / cnt);
    return 0;
}