#include
int main(void)
{
int a,b,c,t;
printf(“input numbers:”); scanf("%d,%d,%d",&a,&b,&c);
t=a; a=b; b=c; c=t; printf("%d,%d,%d",a,b,c);
}
#include
int main()
{
printf(“I am a student!n”);
return 0;
}

#include
int main(void)
{
int a,b,c,t;
printf(“input numbers:”); scanf("%d,%d,%d",&a,&b,&c);
t=a; a=b; b=c; c=t; printf("%d,%d,%d",a,b,c);
}
#include
int main()
{
printf(“I am a student!n”);
return 0;
}