! yukicoder My Practice
! author: Leonardone @ NEETSDKASU

PROGRAM yukicoder
    INTEGER(8) :: n, i, c, ans
    CHARACTER(1000) :: s
    
    READ(*,*) s
    
    n = LEN_TRIM(s)
    
    c = 0
    ans = 0
    
    DO i = 1, n - 2, 3
        IF (s(i:i+2) == '…') THEN
            c = c + 1
        ELSE
            IF (c > ans) ans = c
            c = 0
        END IF
    END DO
    
    PRINT '(I0)', ans
    
    STOP
END PROGRAM yukicoder