Score : 100 points
You will be given a string S of length 3 representing the weather forecast for three days in the past.
The i-th character (1 \leq i \leq 3) of S represents the forecast for the i-th day. S
, C
, and R
stand for sunny, cloudy, and rainy, respectively.
You will also be given a string T of length 3 representing the actual weather on those three days.
The i-th character (1 \leq i \leq 3) of S represents the actual weather on the i-th day. S
, C
, and R
stand for sunny, cloudy, and rainy, respectively.
Print the number of days for which the forecast was correct.
S
, C
, and R
.Input is given from Standard Input in the following format:
S T
Print the number of days for which the forecast was correct.
CSS CSR
2
Thus, the forecast was correct for two days in this case.
SSR SSR
3
RRR SSS
0