Process 1 says "Hello, world!" Process 2 says "Hello, world!" Process 4 says "Hello, world!" Process 5 says "Hello, world!" Process 6 says "Hello, world!" Process 7 says "Hello, world!" HELLO_MPI - Master process: FORTRAN77/MPI version A simple MPI program. The number of processes is 8 Process 0 says "Hello, world!" HELLO_MPI - Master process: Normal end of execution: "Goodbye, world!". Elapsed wall clock time = 0.829697E-04 seconds. Process 3 says "Hello, world!"