#include <stdio.h>
int main(){
double a,b,c;
double v;
if (scanf("%lf %lf %lf",&a,&b,&c)!=EOF){
if (b==0.0){
v = 2.455*a;
}else{v = 1.26*a;}
if (v>c){printf("%.2f T_T",v);}
if (v<c){printf("%.2f ^_^",v);}
}
return 0;
}
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