关于#c++#的问题，请各位专家解答！

Question

#include<stdio.h>
int main()
{
char c1,a2,b3;
printf("Input c1,a2,b3:");
c1=getchar();
a2=getchar();
b3=getchar();
printf("Lowercase:%c,%c,%c to uppercase:",c1-32,a2-32,b3-32)；
putchar(c1);
putchar(a2);
putchar(b3);
putchar('\n');
return 0;
}
为什么运行不出来？

Answer 1

#include<stdio.h>
int main()
{
char c1,a2,b3;
printf("Input c1,a2,b3:");
c1=getchar();
getchar();//吃空格
a2=getchar();
getchar();
b3=getchar();
printf("Lowercase:%c,%c,%c to uppercase:",c1-32,a2-32,b3-32);
putchar(c1);
putchar(a2);
putchar(b3);
putchar('\n');
return 0;
}