TempStr input()
if TempStr[-1] in [ F , f ]:
C (eval(TempStr[0:-1]) - 32) / 1.8
print( {:.2f}C .format(C))
elif TempStr[-1] in [ C , c ]:
F 1.8 * eval(TempStr[0:-1]) 32
print( {:.2f}F .format(F))
else:
print( 输入格式错误 )

TempStr input()
if TempStr[-1] in [ F , f ]:
C (eval(TempStr[0:-1]) - 32) / 1.8
print( {:.2f}C .format(C))
elif TempStr[-1] in [ C , c ]:
F 1.8 * eval(TempStr[0:-1]) 32
print( {:.2f}F .format(F))
else:
print( 输入格式错误 )