print 100, 100
v=int(raw_input())

if v>0:
    Ax=0
    Ay=0
    Bx=100
    By=100
if v<0:
    Ax=100
    Ay=100
    Bx=199
    By=199
        
 
while v!=0:
    Nx=int((Ax+Bx)/2)
    Ny=int((Ay+By)/2)   
    
    print Nx, Ny
    v=int(raw_input())    
    
    if v>0:
        Bx=Nx
        By=Ny
    if v<0:
        Ax=Nx
        Ay=Ny