用scanf函数输入数据，使a=3,b=7,x=8.5,y=71.82,c1='A',c2='a'。在键盘上应如何输入？#include int main(){int a,b;float x,y;char c1,c2;scanf("a=%db=%d",&a,&b);scanf("%f%e",&x,&y);scanf("%c%c",&c1,&c2);printf("a=%d,b=%d,x=%f,y=%f,c1=%c,c2=%c\n",a,b,x,y,c1,c2);return 0;}