t=["0"]*999
s=raw_input().replace(" ","")
p=[]
while 1:
    try:p=p+raw_input().replace(": ","").split(" ")[1:]
    except:break
x=0
i=a=b=499
while 1:
 v=p[x+int(t[i])*len(s)]
 t[i]=v[0]
 if v[2]!="#":x=s.index(v[2])
 else:print "".join(t[a:b+1]);break
 if(v[1]=="<"):i-=1;a=min(i,a)
 else:i+=1;b=max(i,b)