大师傅

#include <stdio.h>

int main() {
int a, b, c;
scanf("%d\n%d\n%d", &a, &b, &c);
int n = 0, m = 0;
n = a + b;
m = n + c;
int p = 0;
p = a + n + m;
printf("%d", p);
return 0;
}