#include<stdio.h> main() { int m1,m2,i,r1,r2,r3; char str[201]; while(scanf("%d %d",&m1,&m2)!=EOF) { r1=r2=r3=0; scanf("%s",&str); for(i=0;str[i]!='\0';i++) { if(str[i]=='A') { r1=m1; } if(str[i]=='B') { r2=m2; } if(str[i]=='C') { m1=r3; } if(str[i]=='D') { m2=r3; } if(str[i]=='E') { r3=r1+r2; } if(str[i]=='F') { r3=r1-r2; } } printf("%d,%d\n",m1,m2); } }