for i in range(int(input())):
L=list(input().split())
L[0]=int(L[0])
L[2]=int(L[2])
L[4]=int(L[4])
c=False
if(L[1]=='+'):
if(L[0]+L[2]==L[4]):
c=True
if(L[1]=='-'):
if(L[0]-L[2]==L[4]):
c=True
if(L[1]=='*'):
if(L[0]*L[2]==L[4]):
c=True
if(L[1]=='/'):
if(L[0]//L[2]==L[4]):
c=True
if(c):
print("correct")
else:
print("wrong answer")