#include<cstdio> int main(){ int N; double x=0.0,y,M; scanf("%lf %d",&M,&N); y=M; for(int i=0;i<N;i++){ y=y+2*x; x=double (M)/2; M=double (M)/2; } printf("%.2lf %.2lf",x,y); return 0; }
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