#include <stdio.h>#include <stdlib.h>#include <string.h>
int main(int argc, char* argv[]){ long m1,m2; long r1,r2,r3; char ins[201]; //! char *p; while(scanf("%d %d",&m1,&m2) != EOF) { r1=r2=r3=0; scanf("%s",ins); p = ins; while(*p != '/0') { if(*p == 'A') r1 = m1; else if(*p == 'B') r2 = m2; else if(*p == 'C') m1 = r3; else if(*p == 'D') m2 = r3; else if(*p == 'E') r3 = r1+r2; else if(*p == 'F') r3 = r1-r2; p++; }
printf("%d,%d/n",m1,m2); } return 0;}
