编辑代码

#include <stdio.h>
int main(){
    long x,y;
    int a,b,c,d;
    x = 5;
    y = 6;
    a = 7;
    b = 8;
    c = x + a;
    d = y + b;
    printf("c=x+a=%ld,d=y+b=%ld\n",c,d);
    return 0;
}