scanf函数的应用

Question

#include <stdio.h>int main(){    int vx,vy;    vx=57;    vy=21;    puts("请输入两个整数。");    printf("整数vx:");scanf("%d,"&vx);    printf("整数vy:");scanf("%d,"&vy);    printf("vx+vy=%d",vx+vy);    return 0;}请问一下，这里有哪里有错误吗？谢谢啦