exec("A=0\nB=0\nC=0\nD=0\nE=0\nF=0\nG=0\nH=0\nI=0\nJ=0\nK=0\nL=0\nM=0\nN=0\nO=0\nP=0\nQ=0\nR=0\nS=0\nT=0\nU=0\nV=0\nW=0\nX=0\nY=0\nZ=1")
exec("A+=1")

exec("A+=1")

exec("A+=1")

exec("A+=1")

exec("A+=1")

exec("A+=1")

exec("A+=1")

exec("B+=1")

exec("B+=1")

exec("B+=1")

exec("B+=1")

exec("B+=1")

for j24 in range(B):


    for j28 in range(B):
    
    
        exec("B+=1")
        
    exec("B+=1")
    
for j38 in range(A):


    for j42 in range(B):
    
    
        exec("C+=1")
        exec(")=0")
print(C)
exec("X=0")