输入两个整数，求加减乘的结果

#include<stdio.h>

main()

{

    int n,m,sum,ca,chen;

    scanf("%d %d",&n,&m);

    sum=n+m;

    ca=n-m;

    chen=n*m;

    printf("%d %d %d\n",sum,ca,chen);

    printf("%d\n%d\n%d",sum,ca,chen);

}