m='' while 1: k=input() m+=k+'\n' if k[-1]=="E":break w=0; l=0 for c in m: if c=="\n":continue if c=="E":print("%d:%d\n"%(w,l));break if c=="W":w+=1; else:l+=1; if ((w==11)&(l<=9))|((l==11)&(w<=9))|((w>=10)&(l>=10)&(abs(w-l)==2)): print("%d:%d"%(w,l));w=0;l=0;continue

w=0;l=0 for c in m: if c=="\n":continue if c=="E":print("%d:%d\n\n"%(w,l));break if c=="W":w+=1 else:l+=1 if ((w==21)&(l<=19))|((l==21)&(w<=19))|((w>=20)&(l>=20)&(abs(w-l)==2)): print("%d:%d"%(w,l));w=0;l=0;continue